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Publications (16)
Solar energy is one of the most important renewable resources due to its unique set of advantages. In urban configurations, wide open spaces used for parking areas close to malls, stadiums and industrial areas become justified challenges in revaluating them by placing solar panels on their wide roofs. The paper is a first attempt that reflects the...
Current climate changes correlated with development of urban areas on large scales, often exposing the communities to unanticipated consequences caused by extreme manifestations of natural phenomena produced by intensification of wind action. These climate challenges have prompted an increase of studies regarding the effects of random wind action o...
The paper presents a study on modelling the wind drifting of the snow deposited on the flat roofs of buildings in wind tunnel. The physical model of snow drifting in wind tunnel simulating the urban exposure to wind action is not frequently reported in literature, but is justified by the serious damages under accidental important snow falls combine...
Studies have been developed all over the world regarding the evaluation of the wind action on solarpanels, placed single or in arrays of elements, justified by the lack of comprehensive recommendations in the codes of practice regarding these specific situations. Placing the solar panels in consecutive rows on parking places is an alternative which...
Wind actions determines the most important load in the design of the support systems of the solar panels, wherever they are located-on flat or pitched roofs or at the ground level. The goal of simulations of the interaction between wind and the solar panels by Computational Fluid Dynamics (CFD) is to estimate the complex wind flow and pressures tha...
The measurement of fluctuating pressures is an important step in the determination of the wind loads acting on structures or parts of structures. The measurement techniques develop continuously, important improvements being the goal in order to provide solutions to various difficulties encountered in the acquisition or processing of wind data. In t...
The interest in the non-conventional energy resources, a consequence of the severe restrictions imposed towards pollution of any kind, arises again the interest in using solar collectors. Implanting them on the terraces of new or existent home residencies, or any kind of other buildings, means to solve a sum of engineering problems, among them bein...
The simulation of the air flow over models in atmospheric boundary layer tunnels is a research domain based on advanced scientific technologies imposed by the necessity of studying the turbulent fluid movements in the proximity of the Earth’s surface. The experiment presented herein is developed in the wind tunnel from the Laboratory of Structural...
The main idea of meshless methods is to approximate the unknown field by a linear combination of shape functions built without having recourse to a mesh of the domain. The computational domain is discretized using a set of scattered nodes. The shape functions associated with a given node is then built considering the weight functions whose support...
A research program is presented showing the stress status determined by the corrosion phenomenon inside a specimen of a structural steel element. Several stains are studied their diameters ranging from 1~mm to 6~mm and thickness of the corroded layer under 0.5~mm. The physical modeling is the result of testing in laboratory the phenomenon of superf...
Used to convert solar energy into thermal energy (solar collectors) or electricity (photovoltaic panels), solar panels has become very popular in the last decade. Increasing the number of solar panels used in the world, determines behavior research on these systems in the aerodynamic field. Wherever they are located, on flat roofs, pitched roofs or...
The composite action in members built up of different materials results in savings in construction cost. These savings can be further advanced by employing optimization techniques in the design of composite members. This paper presents an algorithm model for the cost optimization of composite beams based on the specifications of the SR EN 1994-1-1/...
